package com.yc.baihe.filters;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.yc.baihe.utils.SessionAttributeNames;

public class RegisterFilter implements Filter {

	public void destroy() {
		
	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,FilterChain arg2) throws IOException, ServletException {
		HttpServletRequest request=(HttpServletRequest) arg0;
		HttpServletResponse response=(HttpServletResponse) arg1;
		
		HttpSession session=request.getSession();
		
		//说明是从成功注册页面跳过来的
		if(session.getAttribute(SessionAttributeNames.MARKINFO)!=null && "success".equals(session.getAttribute(SessionAttributeNames.MARKINFO))){
			arg2.doFilter(arg0, arg1);//如果过滤通过，则调用下一个过滤器中的过滤方法
		}else{
			response.sendRedirect("../register.html");
		}
	}

	public void init(FilterConfig arg0) throws ServletException {
		
	}

}
